[  488.013106] netdevsim netdevsim467 eni467np1: renamed from eth0
[  488.013832] netdevsim netdevsim551 eni551np1: renamed from eth1
[  488.102565] Could not find device with ifindex 2000 in netnsfd 11
[  488.102643] Could not find netns with fd: 2000
[  488.102684] Cannot link a netdevsim to itself
[  488.102737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).