[root@kunpeng82 ~]# ovs-vsctl add-br br1 ^C2020-07-02T10:28:04Z|00002|fatal_signal|WARN|terminating with signal 2 (Interrupt) [root@kunpeng82 ~]# ovs-vsctl del-br br1 ^C2020-07-02T10:28:33Z|00002|fatal_signal|WARN|terminating with signal 2 (Interrupt) [root@kunpeng82 ~]# ovs-vsctl del-br br1 ovs-vsctl: no bridge named br1 [root@kunpeng82 ~]# ovs-vsctl add-br br1 ^C2020-07-02T10:31:35Z|00002|fatal_signal|WARN|terminating with signal 2 (Interrupt) [root@kunpeng82 ~]# ovs-vsctl del-br br1 ^C2020-07-02T10:31:37Z|00002|fatal_signal|WARN|terminating with signal 2 (Interrupt) [root@kunpeng82 ~]# strace -v -ttt -s 2048 -Ff -o ovs-vsctl.trace ovs-vsctl add-br br1 bash: strace: command not found [root@kunpeng82 ~]# yum -y install strace
原文：https://www.cnblogs.com/dream397/p/13226368.html