[ 3157.844665][T22571] gre: GRE over IPv4 demultiplexor driver
[ 3159.784650][T22594] ip_gre: GRE over IPv4 tunneling driver
[ 3218.587663][T23168] ip6_gre: GRE over IPv6 tunneling driver
[ 3259.427288][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.061396][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.435266][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3276.899302][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!