[ 4093.600371][T28090] gre: GRE over IPv4 demultiplexor driver
[ 4095.216615][T28113] ip_gre: GRE over IPv4 tunneling driver
[ 4141.594360][T28686] ip6_gre: GRE over IPv6 tunneling driver
[ 4168.769785][T29030] ping (29030) used greatest stack depth: 22400 bytes left
[ 4173.813400][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4178.612375][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4182.644350][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4187.380338][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!