[ 1679.883125][ T8418] gre: GRE over IPv4 demultiplexer driver
[ 1680.398076][ T8441] ip_gre: GRE over IPv4 tunneling driver
[ 1697.200330][ T9012] ip6_gre: GRE over IPv6 tunneling driver
[ 1703.198324][ T9261] ping (9261) used greatest stack depth: 23176 bytes left
[ 1708.333606][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1710.509579][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1712.428585][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1714.540578][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!