[ 3150.411738][T25070] gre: GRE over IPv4 demultiplexer driver
[ 3152.075518][T25093] ip_gre: GRE over IPv4 tunneling driver
[ 3200.434458][T25664] ip6_gre: GRE over IPv6 tunneling driver
[ 3228.955984][T26008] ping (26008) used greatest stack depth: 23648 bytes left
[ 3229.370868][T24558] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3234.105613][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3238.969630][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.194617][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3248.057636][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!