[ 1248.650524][T12884] netdevsim netdevsim649 eni649np1: renamed from eth1
[ 1248.701197][T12885] netdevsim netdevsim274 eni274np1: renamed from eth0
[ 1251.291422][T12873] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.292585][T12873] Could not find netns with fd: 2000
[ 1251.293606][T12873] Cannot link a netdevsim to itself
[ 1251.295416][T12873] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).