[  761.020575][T14563] netdevsim netdevsim301 eni301np1: renamed from eth0
[  761.033971][T14565] netdevsim netdevsim656 eni656np1: renamed from eth1
[  761.795833][T14551] Could not find device with ifindex 2000 in netnsfd 11
[  761.796450][T14551] Could not find netns with fd: 2000
[  761.796833][T14551] Cannot link a netdevsim to itself
[  761.797288][T14551] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).