[  483.101617] netdevsim netdevsim374 eni374np1: renamed from eth0
[  483.101844] netdevsim netdevsim649 eni649np1: renamed from eth1
[  483.194120] Could not find device with ifindex 2000 in netnsfd 11
[  483.194209] Could not find netns with fd: 2000
[  483.194255] Cannot link a netdevsim to itself
[  483.194310] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).