[ 1022.924050][T12681] netdevsim netdevsim619 eni619np1: renamed from eth1
[ 1022.949279][T12730] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1024.862521][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.863586][T12725] Could not find netns with fd: 2000
[ 1024.864268][T12725] Cannot link a netdevsim to itself
[ 1024.865050][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).