[  841.108371][T14773] netdevsim netdevsim443 eni443np1: renamed from eth0
[  841.131154][T14775] netdevsim netdevsim707 eni707np1: renamed from eth1
[  841.916062][T14761] Could not find device with ifindex 2000 in netnsfd 11
[  841.917008][T14761] Could not find netns with fd: 2000
[  841.917418][T14761] Cannot link a netdevsim to itself
[  841.917895][T14761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).