[ 1288.407367][T11129] netdevsim netdevsim541 eni541np1: renamed from eth1
[ 1288.412081][T11130] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1291.882496][T11122] Could not find device with ifindex 2000 in netnsfd 11
[ 1291.883326][T11122] Could not find netns with fd: 2000
[ 1291.883978][T11122] Cannot link a netdevsim to itself
[ 1291.884671][T11122] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).