[  823.187805][T15781] netdevsim netdevsim455 eni455np1: renamed from eth0
[  823.202344][T15783] netdevsim netdevsim722 eni722np1: renamed from eth1
[  823.845844][T15768] Could not find device with ifindex 2000 in netnsfd 11
[  823.846945][T15768] Could not find netns with fd: 2000
[  823.847667][T15768] Cannot link a netdevsim to itself
[  823.848187][T15768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).