[ 1236.053143][T12776] netdevsim netdevsim317 eni317np1: renamed from eth0
[ 1236.156838][T12774] netdevsim netdevsim741 eni741np1: renamed from eth1
[ 1238.662143][T12768] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.663965][T12768] Could not find netns with fd: 2000
[ 1238.665522][T12768] Cannot link a netdevsim to itself
[ 1238.667206][T12768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).