[  827.872401][T15789] netdevsim netdevsim412 eni412np1: renamed from eth0
[  827.914459][T15791] netdevsim netdevsim699 eni699np1: renamed from eth1
[  828.634866][T15776] Could not find device with ifindex 2000 in netnsfd 11
[  828.635812][T15776] Could not find netns with fd: 2000
[  828.636515][T15776] Cannot link a netdevsim to itself
[  828.637262][T15776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).