[  483.105081] netdevsim netdevsim305 eni305np1: renamed from eth0
[  483.105835] netdevsim netdevsim545 eni545np1: renamed from eth1
[  483.192928] Could not find device with ifindex 2000 in netnsfd 11
[  483.193011] Could not find netns with fd: 2000
[  483.193054] Cannot link a netdevsim to itself
[  483.193106] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).