[ 1231.356428][T11143] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1231.359504][T11142] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1234.684740][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.685462][T11134] Could not find netns with fd: 2000
[ 1234.685985][T11134] Cannot link a netdevsim to itself
[ 1234.686684][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).