[  455.395895] netdevsim netdevsim465 eni465np1: renamed from eth0
[  455.396204] netdevsim netdevsim656 eni656np1: renamed from eth1
[  455.478471] Could not find device with ifindex 2000 in netnsfd 11
[  455.478583] Could not find netns with fd: 2000
[  455.478639] Cannot link a netdevsim to itself
[  455.478696] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).