[ 1222.609437][T11132] netdevsim netdevsim278 eni278np1: renamed from eth0
[ 1222.633180][T11130] netdevsim netdevsim590 eni590np1: renamed from eth1
[ 1225.959528][T11124] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.960295][T11124] Could not find netns with fd: 2000
[ 1225.960929][T11124] Cannot link a netdevsim to itself
[ 1225.961642][T11124] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).