[ 4337.476493][T29192] gre: GRE over IPv4 demultiplexer driver
[ 4339.119327][T29215] ip_gre: GRE over IPv4 tunneling driver
[ 4387.868613][T29789] ip6_gre: GRE over IPv6 tunneling driver
[ 4416.930748][T14347] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4421.666615][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.658592][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4430.947595][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.322608][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.871875][T31263] ping (31263) used greatest stack depth: 23536 bytes left