[ 1322.017691][T12792] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1322.095197][T12791] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1324.734242][T12779] Could not find device with ifindex 2000 in netnsfd 11
[ 1324.735479][T12779] Could not find netns with fd: 2000
[ 1324.736456][T12779] Cannot link a netdevsim to itself
[ 1324.737566][T12779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).