[ 3381.560340][T22859] gre: GRE over IPv4 demultiplexor driver
[ 3382.733388][T22882] ip_gre: GRE over IPv4 tunneling driver
[ 3418.644822][T23453] ip6_gre: GRE over IPv6 tunneling driver
[ 3428.246680][T23608] ping (23608) used greatest stack depth: 23440 bytes left
[ 3433.622865][T23702] ping (23702) used greatest stack depth: 23296 bytes left
[ 3433.967702][   T54] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3443.376556][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3447.152540][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3450.416547][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3454.128541][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!