[ 1260.977661][T12780] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1261.105313][T12782] netdevsim netdevsim487 eni487np1: renamed from eth0
[ 1263.682435][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1263.684299][T12769] Could not find netns with fd: 2000
[ 1263.685751][T12769] Cannot link a netdevsim to itself
[ 1263.696692][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).