[  454.866459] netdevsim netdevsim353 eni353np1: renamed from eth0
[  454.871298] netdevsim netdevsim626 eni626np1: renamed from eth1
[  454.973225] Could not find device with ifindex 2000 in netnsfd 11
[  454.973331] Could not find netns with fd: 2000
[  454.973374] Cannot link a netdevsim to itself
[  454.973423] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).