[  779.050913][T14623] netdevsim netdevsim307 eni307np1: renamed from eth0
[  779.072559][T14625] netdevsim netdevsim516 eni516np1: renamed from eth1
[  779.759881][T14611] Could not find device with ifindex 2000 in netnsfd 11
[  779.760457][T14611] Could not find netns with fd: 2000
[  779.761004][T14611] Cannot link a netdevsim to itself
[  779.762318][T14611] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).