[ 1212.491510][T11144] netdevsim netdevsim630 eni630np1: renamed from eth1
[ 1212.578370][T11146] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1215.869661][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1215.875403][T11138] Could not find netns with fd: 2000
[ 1215.876039][T11138] Cannot link a netdevsim to itself
[ 1215.877109][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).