[ 1250.180510][T12784] netdevsim netdevsim548 eni548np1: renamed from eth1
[ 1250.239386][T12787] netdevsim netdevsim456 eni456np1: renamed from eth0
[ 1253.080858][T12779] Could not find device with ifindex 2000 in netnsfd 11
[ 1253.083410][T12779] Could not find netns with fd: 2000
[ 1253.085075][T12779] Cannot link a netdevsim to itself
[ 1253.086982][T12779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).