[ 1215.378376][T11142] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1215.483630][T11140] netdevsim netdevsim527 eni527np1: renamed from eth1
[ 1218.832383][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1218.833484][T11134] Could not find netns with fd: 2000
[ 1218.834385][T11134] Cannot link a netdevsim to itself
[ 1218.835492][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).