[ 4465.926740][T26089] gre: GRE over IPv4 demultiplexor driver
[ 4468.023447][T26113] ip_gre: GRE over IPv4 tunneling driver
[ 4475.347495][T26177] ping (26177) used greatest stack depth: 23648 bytes left
[ 4494.894731][T26365] ping (26365) used greatest stack depth: 23360 bytes left
[ 4529.414541][T26684] ip6_gre: GRE over IPv6 tunneling driver
[ 4572.432889][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4578.448819][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4583.632830][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4589.648803][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!