[ 1238.941407][T12776] netdevsim netdevsim448 eni448np1: renamed from eth0
[ 1239.023383][T12775] netdevsim netdevsim690 eni690np1: renamed from eth1
[ 1241.505387][T12768] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.507012][T12768] Could not find netns with fd: 2000
[ 1241.509967][T12768] Cannot link a netdevsim to itself
[ 1241.511891][T12768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).