[ 1230.139645][T12784] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1230.282039][T12785] netdevsim netdevsim353 eni353np1: renamed from eth0
[ 1232.938668][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.939837][T12777] Could not find netns with fd: 2000
[ 1232.940687][T12777] Cannot link a netdevsim to itself
[ 1232.941792][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).