[ 1231.606123][T11137] netdevsim netdevsim275 eni275np1: renamed from eth0
[ 1231.640420][T11136] netdevsim netdevsim533 eni533np1: renamed from eth1
[ 1234.845253][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.845984][T11129] Could not find netns with fd: 2000
[ 1234.846568][T11129] Cannot link a netdevsim to itself
[ 1234.847287][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).