[  522.927081] netdevsim netdevsim392 eni392np1: renamed from eth0
[  523.024747] netdevsim netdevsim724 eni724np1: renamed from eth1
[  523.240610] Could not find device with ifindex 2000 in netnsfd 11
[  523.240784] Could not find netns with fd: 2000
[  523.240874] Cannot link a netdevsim to itself
[  523.241010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).