[  522.660155] netdevsim netdevsim624 eni624np1: renamed from eth1
[  522.758572] netdevsim netdevsim426 eni426np1: renamed from eth0
[  522.998025] Could not find device with ifindex 2000 in netnsfd 11
[  522.998254] Could not find netns with fd: 2000
[  522.998372] Cannot link a netdevsim to itself
[  522.998511] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).