[ 4054.577836][T28730] gre: GRE over IPv4 demultiplexer driver
[ 4056.182391][T28753] ip_gre: GRE over IPv4 tunneling driver
[ 4104.591549][T29325] ip6_gre: GRE over IPv6 tunneling driver
[ 4138.024688][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4142.888580][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4147.047604][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4151.911623][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4222.726533][T30710] ping (30710) used greatest stack depth: 22768 bytes left