[ 1321.214676][T13062] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1321.317393][T13061] netdevsim netdevsim435 eni435np1: renamed from eth0
[ 1323.930418][T13048] Could not find device with ifindex 2000 in netnsfd 11
[ 1323.931623][T13048] Could not find netns with fd: 2000
[ 1323.932557][T13048] Cannot link a netdevsim to itself
[ 1323.933650][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).