[ 4427.179120][T26111] gre: GRE over IPv4 demultiplexor driver
[ 4429.292933][T26134] ip_gre: GRE over IPv4 tunneling driver
[ 4491.610760][T26717] ip6_gre: GRE over IPv6 tunneling driver
[ 4534.394976][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4540.281892][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4545.273906][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4551.225943][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4634.703301][T28047] ping (28047) used greatest stack depth: 22880 bytes left