[  796.493105][T15701] netdevsim netdevsim548 eni548np1: renamed from eth1
[  796.499454][T15700] netdevsim netdevsim270 eni270np1: renamed from eth0
[  797.095831][T15688] Could not find device with ifindex 2000 in netnsfd 11
[  797.096493][T15688] Could not find netns with fd: 2000
[  797.096939][T15688] Cannot link a netdevsim to itself
[  797.097454][T15688] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).