[ 1265.945587][T12843] netdevsim netdevsim756 eni756np1: renamed from eth1
[ 1266.073388][T12844] netdevsim netdevsim390 eni390np1: renamed from eth0
[ 1268.718711][T12831] Could not find device with ifindex 2000 in netnsfd 11
[ 1268.720834][T12831] Could not find netns with fd: 2000
[ 1268.721818][T12831] Cannot link a netdevsim to itself
[ 1268.723268][T12831] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).