[  472.717341] netdevsim netdevsim312 eni312np1: renamed from eth0
[  472.717776] netdevsim netdevsim626 eni626np1: renamed from eth1
[  472.791476] Could not find device with ifindex 2000 in netnsfd 11
[  472.791561] Could not find netns with fd: 2000
[  472.791613] Cannot link a netdevsim to itself
[  472.791661] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).