[ 1231.267716][T12783] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1231.395836][T12784] netdevsim netdevsim738 eni738np1: renamed from eth1
[ 1233.985406][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.986643][T12775] Could not find netns with fd: 2000
[ 1233.987489][T12775] Cannot link a netdevsim to itself
[ 1233.988595][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).