[ 1234.904912][T11145] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1234.911278][T11143] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1238.371872][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.372635][T11136] Could not find netns with fd: 2000
[ 1238.373184][T11136] Cannot link a netdevsim to itself
[ 1238.373848][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).