[ 3222.202710][T25899] gre: GRE over IPv4 demultiplexor driver
[ 3224.300812][T25923] ip_gre: GRE over IPv4 tunneling driver
[ 3286.457937][T26497] ip6_gre: GRE over IPv6 tunneling driver
[ 3293.782958][T26558] ping (26558) used greatest stack depth: 23520 bytes left
[ 3330.352136][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3336.815115][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3342.191061][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3348.464040][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!