[ 1218.733066][T11146] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1218.759831][T11144] netdevsim netdevsim687 eni687np1: renamed from eth1
[ 1222.109480][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.110282][T11138] Could not find netns with fd: 2000
[ 1222.110895][T11138] Cannot link a netdevsim to itself
[ 1222.111643][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).