[ 1231.591789][T11133] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1231.608179][T11132] netdevsim netdevsim366 eni366np1: renamed from eth0
[ 1234.982865][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.983728][T11126] Could not find netns with fd: 2000
[ 1234.984331][T11126] Cannot link a netdevsim to itself
[ 1234.985038][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).