[ 1260.671882][T12846] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1260.776476][T12847] netdevsim netdevsim483 eni483np1: renamed from eth0
[ 1263.263838][T12834] Could not find device with ifindex 2000 in netnsfd 11
[ 1263.265419][T12834] Could not find netns with fd: 2000
[ 1263.266282][T12834] Cannot link a netdevsim to itself
[ 1263.267533][T12834] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).