[  455.421628] netdevsim netdevsim511 eni511np1: renamed from eth0
[  455.422080] netdevsim netdevsim625 eni625np1: renamed from eth1
[  455.523897] Could not find device with ifindex 2000 in netnsfd 11
[  455.524019] Could not find netns with fd: 2000
[  455.524088] Cannot link a netdevsim to itself
[  455.524150] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).