[ovs-discuss] Collecting NetFlow data
Syed Faraz Ali
farazali86 at gmail.com
Fri May 20 10:50:13 UTC 2016
> It's probably easier to debug if you only enable NetFlow for now.
Only NetFlow has been enabled.
> Next, I'd use "strace" to see whether ovs-vswitchd is really trying to
> send data to the collector. It would be using the "send" system call.
Please have the output of "strace ovs-vswitchd" in the attachment.
On Fri, May 20, 2016 at 5:33 AM, Ben Pfaff <blp at ovn.org> wrote:
> Please don't drop the mailing list.
>
> On Thu, May 19, 2016 at 09:02:41PM +0200, Syed Faraz Ali wrote:
> > The packets are being collected on the sFlow port 6343 at the same time,
> > but giving unreachable error for NetFlow. This looks pretty awkward!
> > Do you have some suggestions to further look into this matter?
>
> It's probably easier to debug if you only enable NetFlow for now.
>
> Next, I'd use "strace" to see whether ovs-vswitchd is really trying to
> send data to the collector. It would be using the "send" system call.
>
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execve("/usr/sbin/ovs-vswitchd", ["ovs-vswitchd"], [/* 33 vars */]) = 0
brk(0) = 0x2399000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd89bed3000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=89212, ...}) = 0
mmap(NULL, 89212, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fd89bebd000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P.\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=383112, ...}) = 0
mmap(NULL, 2478416, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89ba55000
mprotect(0x7fd89baa9000, 2097152, PROT_NONE) = 0
mmap(0x7fd89bca9000, 40960, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x54000) = 0x7fd89bca9000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\356\5\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1926432, ...}) = 0
mmap(NULL, 4036760, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89b67b000
mprotect(0x7fd89b82c000, 2093056, PROT_NONE) = 0
mmap(0x7fd89ba2b000, 155648, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b0000) = 0x7fd89ba2b000
mmap(0x7fd89ba51000, 14488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd89ba51000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0po\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=141574, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd89bebc000
mmap(NULL, 2217264, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89b45d000
mprotect(0x7fd89b476000, 2093056, PROT_NONE) = 0
mmap(0x7fd89b675000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18000) = 0x7fd89b675000
mmap(0x7fd89b677000, 13616, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd89b677000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0P#\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=31792, ...}) = 0
mmap(NULL, 2129016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89b255000
mprotect(0x7fd89b25c000, 2093056, PROT_NONE) = 0
mmap(0x7fd89b45b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fd89b45b000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20V\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1071552, ...}) = 0
mmap(NULL, 3166568, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89af4f000
mprotect(0x7fd89b054000, 2093056, PROT_NONE) = 0
mmap(0x7fd89b253000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x104000) = 0x7fd89b253000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\37\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1845024, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd89bebb000
mmap(NULL, 3953344, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89ab89000
mprotect(0x7fd89ad44000, 2097152, PROT_NONE) = 0
mmap(0x7fd89af44000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1bb000) = 0x7fd89af44000
mmap(0x7fd89af4a000, 17088, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fd89af4a000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\16\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14664, ...}) = 0
mmap(NULL, 2109744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fd89a985000
mprotect(0x7fd89a988000, 2093056, PROT_NONE) = 0
mmap(0x7fd89ab87000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fd89ab87000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd89beba000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd89beb8000
arch_prctl(ARCH_SET_FS, 0x7fd89beb8980) = 0
mprotect(0x7fd89af44000, 16384, PROT_READ) = 0
mprotect(0x7fd89ab87000, 4096, PROT_READ) = 0
mprotect(0x7fd89b253000, 4096, PROT_READ) = 0
mprotect(0x7fd89b675000, 4096, PROT_READ) = 0
mprotect(0x7fd89b45b000, 4096, PROT_READ) = 0
mprotect(0x7fd89ba2b000, 110592, PROT_READ) = 0
mprotect(0x7fd89bca9000, 12288, PROT_READ) = 0
mprotect(0x733000, 4096, PROT_READ) = 0
mprotect(0x7fd89bed5000, 4096, PROT_READ) = 0
munmap(0x7fd89bebd000, 89212) = 0
set_tid_address(0x7fd89beb8c50) = 4728
set_robust_list(0x7fd89beb8c60, 24) = 0
futex(0x7fffa0df7e40, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, 7fd89beb8980) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x7fd89b4639f0, [], SA_RESTORER|SA_SIGINFO, 0x7fd89b46d340}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7fd89b463a80, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fd89b46d340}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
brk(0) = 0x2399000
brk(0x23ba000) = 0x23ba000
rt_sigaction(SIGPIPE, {SIG_IGN, [PIPE], SA_RESTORER|SA_RESTART, 0x7fd89abbfd40}, {SIG_DFL, [], 0}, 8) = 0
pipe([3, 4]) = 0
fcntl(3, F_GETFL) = 0 (flags O_RDONLY)
fcntl(3, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
fcntl(4, F_GETFL) = 0x1 (flags O_WRONLY)
fcntl(4, F_SETFL, O_WRONLY|O_NONBLOCK) = 0
rt_sigaction(SIGHUP, {0x48d110, [], SA_RESTORER|SA_RESTART, 0x7fd89b46d340}, NULL, 8) = 0
pipe([5, 6]) = 0
fcntl(5, F_GETFL) = 0 (flags O_RDONLY)
fcntl(5, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
fcntl(6, F_GETFL) = 0x1 (flags O_WRONLY)
fcntl(6, F_SETFL, O_WRONLY|O_NONBLOCK) = 0
rt_sigaction(SIGCHLD, {0x488750, [], SA_RESTORER|SA_RESTART|SA_NOCLDSTOP, 0x7fd89b46d340}, NULL, 8) = 0
open("/dev/urandom", O_RDONLY) = 7
read(7, "[\t\233\301", 4) = 4
close(7) = 0
socket(PF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 7
connect(7, {sa_family=AF_LOCAL, sun_path="/dev/log"}, 110) = 0
rt_sigaction(SIGALRM, {0x4937f0, [], SA_RESTORER|SA_RESTART, 0x7fd89b46d340}, NULL, 8) = 0
timer_create(CLOCK_MONOTONIC, {0x23999f0, SIGALRM, SIGEV_SIGNAL, {...}}, {0}) = 0
timer_settime(0, 0, {it_interval={0, 25000000}, it_value={0, 25000000}}, NULL) = 0
futex(0x748c70, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x748ea8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
socket(PF_LOCAL, SOCK_STREAM, 0) = 8
fcntl(8, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(8, F_SETFL, O_RDWR|O_NONBLOCK) = 0
unlink("/var/run/openvswitch/ovs-vswitchd.4728.ctl") = -1 ENOENT (No such file or directory)
pipe([9, 10]) = 0
fcntl(9, F_GETFL) = 0 (flags O_RDONLY)
fcntl(9, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
fcntl(10, F_GETFL) = 0x1 (flags O_WRONLY)
fcntl(10, F_SETFL, O_WRONLY|O_NONBLOCK) = 0
rt_sigaction(SIGTERM, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGTERM, {0x446c90, [TERM], SA_RESTORER|SA_RESTART, 0x7fd89abbfd40}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, {0x446c90, [INT], SA_RESTORER|SA_RESTART, 0x7fd89abbfd40}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGHUP, NULL, {0x48d110, [], SA_RESTORER|SA_RESTART, 0x7fd89b46d340}, 8) = 0
rt_sigaction(SIGALRM, NULL, {0x4937f0, [], SA_RESTORER|SA_RESTART, 0x7fd89b46d340}, 8) = 0
umask(077) = 022
bind(8, {sa_family=AF_LOCAL, sun_path="/var/run/openvswitch/ovs-vswitchd.4728.ctl"}, 45) = 0
umask(022) = 077
listen(8, 10) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
socket(PF_LOCAL, SOCK_STREAM, 0) = 11
fcntl(11, F_GETFL) = 0x2 (flags O_RDWR)
fcntl(11, F_SETFL, O_RDWR|O_NONBLOCK) = 0
connect(11, {sa_family=AF_LOCAL, sun_path="/var/run/openvswitch/db.sock"}, 31) = 0
poll([{fd=11, events=POLLOUT}], 1, 0) = 1 ([{fd=11, revents=POLLOUT}])
open("/etc/localtime", O_RDONLY|O_CLOEXEC) = 12
fstat(12, {st_mode=S_IFREG|0644, st_size=2309, ...}) = 0
fstat(12, {st_mode=S_IFREG|0644, st_size=2309, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd89bed2000
read(12, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\10\0\0\0\10\0\0\0\0"..., 4096) = 2309
lseek(12, -1467, SEEK_CUR) = 842
read(12, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\t\0\0\0\t\0\0\0\0"..., 4096) = 1467
close(12) = 0
munmap(0x7fd89bed2000, 4096) = 0
futex(0x748d70, FUTEX_WAKE_PRIVATE, 2147483647) = 0
write(2, "2016-05-20T10:36:59Z|00001|recon"..., 91) = 91
sendto(7, "<29>May 20 12:36:59 ovs-vswitchd"..., 107, MSG_NOSIGNAL, NULL, 0) = 107
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLOUT}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 0) = 1 ([{fd=11, revents=POLLOUT}])
futex(0x748c60, FUTEX_WAKE_PRIVATE, 2147483647) = 0
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 0}, ru_stime={0, 4789}, ...}) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
write(2, "2016-05-20T10:36:59Z|00002|recon"..., 87) = 87
sendto(7, "<29>May 20 12:36:59 ovs-vswitchd"..., 103, MSG_NOSIGNAL, NULL, 0) = 103
write(11, "{\"method\":\"monitor\",\"id\":0,\"para"..., 1997) = 1997
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=0, si_value=37329392} ---
rt_sigreturn() = 1997
write(11, "{\"method\":\"lock\",\"id\":1,\"params\""..., 50) = 50
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = 1 ([{fd=11, revents=POLLIN}])
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 2646}, ru_stime={0, 4789}, ...}) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
read(11, "{\"id\":0,\"result\":{\"Port\":{\"94479"..., 512) = 512
read(11, "\",[]],\"statistics\":[\"map\",[]],\"v"..., 512) = 512
read(11, "face\":false,\"trunks\":[\"set\",[]],"..., 512) = 512
read(11, "-455b-9e4c-fec79c231cef\"],\"bond_"..., 512) = 512
read(11, "off\":1000,\"local_ip\":[\"set\",[]],"..., 512) = 512
read(11, ",0],[\"rx_packets\",8],[\"tx_bytes\""..., 512) = 512
read(11, "gress_policing_burst\":0,\"ofport_"..., 512) = 512
read(11, ",\"type\":\"\",\"cfm_remote_opstate\":"..., 512) = 512
read(11, "_resets\":0,\"cfm_health\":[\"set\",["..., 512) = 512
read(11, "ame\",\"veth\"],[\"driver_version\",\""..., 512) = 512
read(11, "1\",\"options\":[\"map\",[]],\"mtu\":15"..., 512) = 512
read(11, "ndex\":13,\"cfm_fault_status\":[\"se"..., 512) = 512
read(11, "irrors\":[\"set\",[]],\"datapath_id\""..., 512) = 512
read(11, "atapath_type\":\"\",\"stp_enable\":fa"..., 512) = 351
read(11, 0x239f82f, 161) = -1 EAGAIN (Resource temporarily unavailable)
write(2, "2016-05-20T10:36:59Z|00003|bridg"..., 132) = 132
sendto(7, "<27>May 20 12:36:59 ovs-vswitchd"..., 148, MSG_NOSIGNAL, NULL, 0) = 148
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=0, si_value=37329392} ---
rt_sigreturn() = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_BLOCK, [ALRM], [], 8) = 0
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = 1 ([{fd=11, revents=POLLIN}])
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=17, si_value=37329392} ---
rt_sigreturn() = 0
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 2646}, ru_stime={0, 4789}, ...}) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
read(11, "{\"method\":\"update\",\"id\":null,\"pa"..., 161) = 161
read(11, "sec_since_connect\",\"29\"],[\"state"..., 512) = 512
read(11, "}}]}", 512) = 4
read(11, 0x239f6d4, 508) = -1 EAGAIN (Resource temporarily unavailable)
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=0, si_value=37329392} ---
rt_sigreturn() = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_BLOCK, [ALRM], [], 8) = 0
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = 1 ([{fd=11, revents=POLLIN}])
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=198, si_value=37329392} ---
rt_sigreturn() = 0
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 5067}, ru_stime={0, 4789}, ...}) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
read(11, "{\"method\":\"update\",\"id\":null,\"pa"..., 508) = 508
read(11, "\"last_error\",\"Connection refused"..., 512) = 169
read(11, 0x239f779, 343) = -1 EAGAIN (Resource temporarily unavailable)
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=0, si_value=37329392} ---
rt_sigreturn() = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_BLOCK, [ALRM], [], 8) = 0
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = 1 ([{fd=11, revents=POLLIN}])
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=198, si_value=37329392} ---
rt_sigreturn() = 0
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 5067}, ru_stime={0, 4789}, ...}) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
getrusage(RUSAGE_SELF, {ru_utime={0, 5254}, ru_stime={0, 2627}, ...}) = 0
write(2, "2016-05-20T10:37:09Z|00004|memor"..., 89) = 89
sendto(7, "<29>May 20 12:37:09 ovs-vswitchd"..., 105, MSG_NOSIGNAL, NULL, 0) = 105
read(11, "{\"method\":\"update\",\"id\":null,\"pa"..., 343) = 343
read(11, "her_config\":[\"map\",[]],\"local_ne"..., 512) = 334
read(11, 0x239f81e, 178) = -1 EAGAIN (Resource temporarily unavailable)
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=0, si_value=37329392} ---
rt_sigreturn() = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_BLOCK, [ALRM], [], 8) = 0
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = 1 ([{fd=11, revents=POLLIN}])
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=198, si_value=37329392} ---
rt_sigreturn() = 0
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 5067}, ru_stime={0, 4789}, ...}) = 0
read(3, 0x7fffa0df7c30, 512) = -1 EAGAIN (Resource temporarily unavailable)
read(11, "{\"method\":\"update\",\"id\":null,\"pa"..., 178) = 178
read(11, "\",\"44\"],[\"state\",\"ACTIVE\"]]]},\"n"..., 512) = 512
read(11, "5bc7477-9b26-4126-a435-ceea74c58"..., 512) = 512
read(11, "_bytes\",642],[\"tx_dropped\",0],[\""..., 512) = 512
read(11, "ofport_request\":[\"set\",[]],\"bfd\""..., 512) = 512
read(11, ",522198],[\"rx_crc_err\",0],[\"rx_d"..., 512) = 512
read(11, "\":\"full\",\"link_state\":\"up\",\"admi"..., 512) = 512
read(11, "s\",0],[\"tx_packets\",8]]]},\"new\":"..., 512) = 512
read(11, "rsion\",\"\"]]],\"mac\":[\"set\",[]],\"o"..., 512) = 512
read(11, "_err\",0],[\"rx_dropped\",0],[\"rx_e"..., 512) = 512
read(11, ":b2:98\",\"type\":\"\",\"cfm_remote_op"..., 512) = 512
read(11, "],\"link_resets\":0,\"cfm_health\":["..., 512) = 47
read(11, 0x239f6ff, 465) = -1 EAGAIN (Resource temporarily unavailable)
accept(8, 0x7fffa0df7cf0, [128]) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=0, si_value=37329392} ---
rt_sigreturn() = -1 EINTR (Interrupted system call)
rt_sigprocmask(SIG_BLOCK, [ALRM], [], 8) = 0
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
--- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL, si_value={int=37329392, ptr=0x23999f0}} ---
write(10, "\0", 1) = 1
rt_sigreturn() = -1 EINTR (Interrupted system call)
poll([{fd=3, events=POLLIN}, {fd=11, events=POLLIN}, {fd=8, events=POLLIN}, {fd=9, events=POLLIN}], 4, 2147483647) = 1 ([{fd=9, revents=POLLIN}])
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGALRM {si_signo=SIGALRM, si_code=SI_TIMER, si_pid=0, si_uid=86, si_value=37329392} ---
rt_sigreturn() = 0
getrusage(0x1 /* RUSAGE_??? */, {ru_utime={0, 5067}, ru_stime={0, 4789}, ...}) = 0
write(2, "2016-05-20T10:37:16Z|00005|fatal"..., 83) = 83
sendto(7, "<28>May 20 12:37:16 ovs-vswitchd"..., 99, MSG_NOSIGNAL, NULL, 0) = 99
unlink("/var/run/openvswitch/ovs-vswitchd.4728.ctl") = 0
rt_sigaction(SIGINT, {SIG_DFL, [INT], SA_RESTORER|SA_RESTART, 0x7fd89abbfd40}, {0x446c90, [INT], SA_RESTORER|SA_RESTART, 0x7fd89abbfd40}, 8) = 0
tgkill(4728, 4728, SIGINT) = 0
--- SIGINT {si_signo=SIGINT, si_code=SI_TKILL, si_pid=4728, si_uid=0} ---
+++ killed by SIGINT +++
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