[ 1041.247184][T12756] netdevsim netdevsim339 eni339np1: renamed from eth0
[ 1041.358817][T12755] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1043.058323][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1043.059334][T12748] Could not find netns with fd: 2000
[ 1043.066751][T12748] Cannot link a netdevsim to itself
[ 1043.068101][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).