[  755.660702][T14552] netdevsim netdevsim431 eni431np1: renamed from eth0
[  755.673484][T14553] netdevsim netdevsim629 eni629np1: renamed from eth1
[  756.199443][T14540] Could not find device with ifindex 2000 in netnsfd 11
[  756.199952][T14540] Could not find netns with fd: 2000
[  756.200306][T14540] Cannot link a netdevsim to itself
[  756.200715][T14540] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).