[ 1238.020044][T12678] netdevsim netdevsim528 eni528np1: renamed from eth1
[ 1238.118081][T12681] netdevsim netdevsim455 eni455np1: renamed from eth0
[ 1240.683232][T12669] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.684404][T12669] Could not find netns with fd: 2000
[ 1240.685345][T12669] Cannot link a netdevsim to itself
[ 1240.686479][T12669] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).