[ 1228.667866][T11138] netdevsim netdevsim496 eni496np1: renamed from eth0
[ 1228.781300][T11136] netdevsim netdevsim515 eni515np1: renamed from eth1
[ 1231.997236][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.997984][T11130] Could not find netns with fd: 2000
[ 1231.998545][T11130] Cannot link a netdevsim to itself
[ 1231.999201][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).