[ 1232.226251][T12967] netdevsim netdevsim274 eni274np1: renamed from eth0
[ 1232.336555][T12964] netdevsim netdevsim697 eni697np1: renamed from eth1
[ 1235.258336][T12959] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.260251][T12959] Could not find netns with fd: 2000
[ 1235.261686][T12959] Cannot link a netdevsim to itself
[ 1235.263481][T12959] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).