[  455.254258] netdevsim netdevsim261 eni261np1: renamed from eth0
[  455.255094] netdevsim netdevsim714 eni714np1: renamed from eth1
[  455.339438] Could not find device with ifindex 2000 in netnsfd 11
[  455.339596] Could not find netns with fd: 2000
[  455.339702] Cannot link a netdevsim to itself
[  455.339819] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).