[ 1286.483276][T12757] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1286.613853][T12758] netdevsim netdevsim755 eni755np1: renamed from eth1
[ 1289.295614][T12744] Could not find device with ifindex 2000 in netnsfd 11
[ 1289.296853][T12744] Could not find netns with fd: 2000
[ 1289.297836][T12744] Cannot link a netdevsim to itself
[ 1289.299028][T12744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).