[ 1230.944581][T11139] netdevsim netdevsim355 eni355np1: renamed from eth0
[ 1230.979574][T11137] netdevsim netdevsim740 eni740np1: renamed from eth1
[ 1234.115446][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.116537][T11131] Could not find netns with fd: 2000
[ 1234.117386][T11131] Cannot link a netdevsim to itself
[ 1234.118525][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).