[ 1225.166431][T11146] netdevsim netdevsim685 eni685np1: renamed from eth1
[ 1225.188090][T11147] netdevsim netdevsim274 eni274np1: renamed from eth0
[ 1228.445610][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.446502][T11139] Could not find netns with fd: 2000
[ 1228.447173][T11139] Cannot link a netdevsim to itself
[ 1228.447971][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).