[ 3172.182849][T23678] gre: GRE over IPv4 demultiplexer driver
[ 3173.774098][T23701] ip_gre: GRE over IPv4 tunneling driver
[ 3221.263153][T24273] ip6_gre: GRE over IPv6 tunneling driver
[ 3238.492276][ T3023] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3242.248364][T24522] ping (24522) used greatest stack depth: 23616 bytes left
[ 3254.869472][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3259.668461][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3263.764451][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3268.628479][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!