[ 1274.188268][T13025] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1274.276191][T13029] netdevsim netdevsim448 eni448np1: renamed from eth0
[ 1276.920917][T13016] Could not find device with ifindex 2000 in netnsfd 11
[ 1276.923241][T13016] Could not find netns with fd: 2000
[ 1276.924642][T13016] Cannot link a netdevsim to itself
[ 1276.926396][T13016] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).