[ 1216.141308][T11130] netdevsim netdevsim409 eni409np1: renamed from eth0
[ 1216.186856][T11132] netdevsim netdevsim621 eni621np1: renamed from eth1
[ 1219.259082][T11122] Could not find device with ifindex 2000 in netnsfd 11
[ 1219.259754][T11122] Could not find netns with fd: 2000
[ 1219.260311][T11122] Cannot link a netdevsim to itself
[ 1219.260983][T11122] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).