[ 1293.236443][T12857] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1293.370254][T12858] netdevsim netdevsim490 eni490np1: renamed from eth0
[ 1296.165093][T12845] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.167207][T12845] Could not find netns with fd: 2000
[ 1296.168154][T12845] Cannot link a netdevsim to itself
[ 1296.169287][T12845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).