[ 1312.502451][T12849] netdevsim netdevsim572 eni572np1: renamed from eth1
[ 1312.510479][T12852] netdevsim netdevsim508 eni508np1: renamed from eth0
[ 1315.182666][T12840] Could not find device with ifindex 2000 in netnsfd 11
[ 1315.185086][T12840] Could not find netns with fd: 2000
[ 1315.186453][T12840] Cannot link a netdevsim to itself
[ 1315.189356][T12840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).