[ 3121.616381][T28920] gre: GRE over IPv4 demultiplexor driver
[ 3122.742928][T28943] ip_gre: GRE over IPv4 tunneling driver
[ 3156.698178][T29519] ip6_gre: GRE over IPv6 tunneling driver
[ 3160.696476][T13457] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3170.473004][T29768] ping (29768) used greatest stack depth: 23552 bytes left
[ 3175.928516][T26161] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3179.767306][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3183.415326][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3186.743320][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3190.391316][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3278.827965][T31513] ping (31513) used greatest stack depth: 23424 bytes left