[  474.778295] netdevsim netdevsim401 eni401np1: renamed from eth0
[  474.778954] netdevsim netdevsim655 eni655np1: renamed from eth1
[  474.866849] Could not find device with ifindex 2000 in netnsfd 11
[  474.866982] Could not find netns with fd: 2000
[  474.867084] Cannot link a netdevsim to itself
[  474.867197] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).