[ 1334.839724][T12058] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1334.901691][T12059] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1338.568851][T12050] Could not find device with ifindex 2000 in netnsfd 11
[ 1338.569744][T12050] Could not find netns with fd: 2000
[ 1338.570450][T12050] Cannot link a netdevsim to itself
[ 1338.571211][T12050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).