[ 3371.882987][T22607] gre: GRE over IPv4 demultiplexor driver
[ 3373.012801][T22630] ip_gre: GRE over IPv4 tunneling driver
[ 3407.232891][T23204] ip6_gre: GRE over IPv6 tunneling driver
[ 3426.973417][    T9] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3430.812240][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3434.460238][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3437.661226][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3441.372240][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3569.112271][T25761] ping (25761) used greatest stack depth: 23296 bytes left