[ 4689.520103][T24680] gre: GRE over IPv4 demultiplexor driver
[ 4691.629750][T24703] ip_gre: GRE over IPv4 tunneling driver
[ 4719.061586][T24955] ping (24955) used greatest stack depth: 23888 bytes left
[ 4754.457552][T25275] ip6_gre: GRE over IPv6 tunneling driver
[ 4782.610821][T25525] ping (25525) used greatest stack depth: 23600 bytes left
[ 4799.101721][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4805.310611][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4810.685679][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4816.958613][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4857.870832][T26185] ping (26185) used greatest stack depth: 22896 bytes left