[  483.239369] netdevsim netdevsim480 eni480np1: renamed from eth0
[  483.341269] netdevsim netdevsim737 eni737np1: renamed from eth1
[  483.722800] Could not find device with ifindex 2000 in netnsfd 11
[  483.722974] Could not find netns with fd: 2000
[  483.723074] Cannot link a netdevsim to itself
[  483.723203] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).