[ 1219.803708][T11131] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1219.825289][T11133] netdevsim netdevsim401 eni401np1: renamed from eth0
[ 1223.074211][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.075393][T11125] Could not find netns with fd: 2000
[ 1223.076332][T11125] Cannot link a netdevsim to itself
[ 1223.077400][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).