[ 1226.251439][T11116] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1226.367782][T11115] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1229.673028][T11109] Could not find device with ifindex 2000 in netnsfd 11
[ 1229.673826][T11109] Could not find netns with fd: 2000
[ 1229.674443][T11109] Cannot link a netdevsim to itself
[ 1229.675165][T11109] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).