[ 1229.135663][T12908] netdevsim netdevsim388 eni388np1: renamed from eth0
[ 1229.274506][T12906] netdevsim netdevsim537 eni537np1: renamed from eth1
[ 1231.868928][T12900] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.870172][T12900] Could not find netns with fd: 2000
[ 1231.871157][T12900] Cannot link a netdevsim to itself
[ 1231.872303][T12900] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).