[ 1225.739090][T11139] netdevsim netdevsim755 eni755np1: renamed from eth1
[ 1225.747576][T11140] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1229.207121][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1229.207907][T11132] Could not find netns with fd: 2000
[ 1229.208510][T11132] Cannot link a netdevsim to itself
[ 1229.209202][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).