[ 1224.896798][T11129] netdevsim netdevsim649 eni649np1: renamed from eth1
[ 1224.905323][T11131] netdevsim netdevsim483 eni483np1: renamed from eth0
[ 1228.193778][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.194507][T11123] Could not find netns with fd: 2000
[ 1228.195114][T11123] Cannot link a netdevsim to itself
[ 1228.196069][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).