[ 1242.121174][T12909] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1242.253347][T12907] netdevsim netdevsim726 eni726np1: renamed from eth1
[ 1244.749633][T12901] Could not find device with ifindex 2000 in netnsfd 11
[ 1244.750788][T12901] Could not find netns with fd: 2000
[ 1244.751614][T12901] Cannot link a netdevsim to itself
[ 1244.754667][T12901] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).