[ 1360.451100][T14797] gre: GRE over IPv4 demultiplexer driver
[ 1360.935080][T14820] ip_gre: GRE over IPv4 tunneling driver
[ 1376.669263][T15393] ip6_gre: GRE over IPv6 tunneling driver
[ 1382.155270][T15643] ping (15643) used greatest stack depth: 23072 bytes left
[ 1386.984526][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1388.968501][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1390.823498][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1392.871495][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!