[ 1308.641796][T12686] netdevsim netdevsim371 eni371np1: renamed from eth0
[ 1308.670916][T12683] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1311.748337][T12674] Could not find device with ifindex 2000 in netnsfd 11
[ 1311.749657][T12674] Could not find netns with fd: 2000
[ 1311.750609][T12674] Cannot link a netdevsim to itself
[ 1311.751749][T12674] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).